Home / 213,417.72-320,163.30-95,086.44

Finding the Fourth Proportional to 213,417.72, 320,163.30 and 95,086.44

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Solution

The fourth proportional to 213,417.72, 320,163.30 and 95,086.44 is: 142,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,417.72 : 320,163.30 = 95,086.44 : x
  2. Step 2: Convert to fraction form
    213,417.72/320,163.30 = 95,086.44/x
  3. Step 3: Cross multiply
    213,417.72x = 320,163.30 × 95,086.44
  4. Step 4: Simplify right side
    213,417.72x = 30,443,188,415.65
  5. Step 5: Solve for x
    x = 30,443,188,415.65/213,417.72
  6. Step 6: Final answer
    x = 142,646.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.